Computers lecture 1

Introduction to Computers

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Why is it important for a Dental Hygienist to be computer and information literate?

The Components of a Computer (Hardware) PC vs MAC Computer Programs (Software) Freeware

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Record Keeping Office Management Providing Health Information Promoting Your Practice

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Hardware: the physical equipment used in a computer system

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The CPU (Central Processing Unit) is the brain of the computer and processes information.

RAM (Random Access Memory) holds temporary information that disappears when the computer is shut off

Video card for handling displays Sound card for managing sound, Power source Cooling fan

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magnetic media that stores information permanently

low-end laptops can have hard drives starting at 100MB (megabytes) in size, terabyte (TB) drives are becoming more common.

The larger the capacity of the drive, the more information it can store

Hard Drive efficiency/size has improved dramatically over the years

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CD (compact disc) - the most common type of removable media, suitable for music and data

DVD (digital versatile disc) - same dimensions as a CD but stores up to 12 times as much information

Blu-ray Disc - a high-density optical disc format for data and high-definition video. Can store 70 times as much information as a CD.

USB flash drive - a flash memory data storage device integrated with a USB interface,

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piece of equipment used to provide data and control signals to the computer

Includes: Keyboard, Mouse, Touchscreen, Microphone, Web Cam

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equipment used to communicate the results of data processing carried out by the computer

Includes Monitor, Speakers, Printer

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connect the computer to the internet through a phone line or high-speed cable

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Mac's are built by Apple and use that companies Operating System (OS)

PCs are usually operated by a Microsoft Windows operating system

Differences exist over price ($), selection, operating systems, software availablility security, service

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a collection of computer programs and related data that provide the instructions telling a computer what to do and how to do it

Tens of thousands of different kinds of software

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Computer Software that is freely available to use

Are also Open Source – you know what the computer codes are for this software and can make changes to it

Examples include Linux, Open Office, VLC Media Player

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Create a one-page flyer to promote your fictional dental hygiene practice

You need to include an image, information about your location, office hours, contact details

You need to include a bulleted list, a table, wording in different sizes, and a header

You can use Microsoft Publisher if you wish Due February 15th – email your file to

librarian@oxfordedu.ca

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